How To Fix D4601 - Error when calling function module &1

SAP Error Message - Details

• Message type: E = Error

• Message class: D4 - DB2/400 specific messages

• Message number: 601

• Message text: Error when calling function module &1

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

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Smart SAP Assistant

• What is the cause and solution for SAP error message D4601 - Error when calling function module &1 ?

  The SAP error message D4601, which states "Error when calling function module &1," typically indicates that there was an issue when trying to execute a specific function module in the SAP system. This error can arise from various causes, and understanding the context in which it occurs is crucial for troubleshooting.
  Possible Causes:
  
  Function Module Not Found: The specified function module may not exist in the system or may have been deleted or renamed.
  Authorization Issues: The user executing the function may not have the necessary authorizations to call the function module.
  Parameter Mismatch: The parameters being passed to the function module may not match the expected input parameters, leading to execution failure.
  System Configuration Issues: There may be configuration issues in the system that prevent the function module from executing correctly.
  Transport Issues: If the function module was recently transported from another system, there may be inconsistencies or missing dependencies.
  Runtime Errors: There could be runtime errors within the function module itself, such as unhandled exceptions or logic errors.
  
  Solutions:
  
  Check Function Module Existence: Verify that the function module exists in the system by using transaction SE37 (Function Builder) and checking its status.
  Review Authorizations: Ensure that the user has the necessary authorizations to execute the function module. This can be checked using transaction SU53 or by reviewing the user's roles and authorizations.
  Parameter Validation: Review the parameters being passed to the function module. Ensure that they are of the correct type and format as expected by the function.
  Debugging: If you have access, use the debugger to step through the code and identify where the error occurs. This can provide insights into what might be going wrong.
  Check Transport Logs: If the function module was recently transported, check the transport logs for any errors or warnings that might indicate issues with the transport.
  Consult Documentation: Review any available documentation for the function module to ensure it is being used correctly.
  Contact SAP Support: If the issue persists and cannot be resolved internally, consider reaching out to SAP support for assistance.
  
  Related Information:
  
  Transaction Codes: SE37 (Function Builder), SE80 (Object Navigator), SU53 (Authorization Check), ST22 (Dump Analysis).
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address known issues related to the specific function module.
  Community Forums: Check SAP Community forums or other online resources for similar issues reported by other users.
  
  By following these steps, you should be able to diagnose and resolve the D4601 error in your SAP system.